Well GDO has rounded up 31 of Japan's best golf ball models for testing in distance and spin.

All testing is done out at Fukushima Ken's Fujikura test field.

Robot tests are done by the Fujikura hitting machine.

Human testing done by Inoue Tadahisa.

This FIRST test and post is on Distance balls and tested by the robot.

Robot set to swing at 40ms or just under 90mph. Calm day with wind measuring at 0ms that day.

One driver used for all tests. A retail Yamaha 4.6D with stock Regular flex shaft. Launch angle between 14-15*

Results on max carry as follows and Pictures below.

1. Callaway Legacy 227.5y

2. Titleist 2008 GranZ Premium

3. Bridgestone Super Newing LS330

4. XXIO XD

5. Tourstage V10

6. Taylormade XR Ball 219y

Once again Gocchin thanks for the japanese translation and the review!! I must admit I am not Pro enough to "feel" the difference of performance by different balls yet, but surely this will become very useful as I progress.

Keep up with the good work!